Home / 3,015,655.70-4,521,928.35-1,121,422.10

Finding the Fourth Proportional to 3,015,655.70, 4,521,928.35 and 1,121,422.10

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Solution

The fourth proportional to 3,015,655.70, 4,521,928.35 and 1,121,422.10 is: 1,681,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,655.70 : 4,521,928.35 = 1,121,422.10 : x
  2. Step 2: Convert to fraction form
    3,015,655.70/4,521,928.35 = 1,121,422.10/x
  3. Step 3: Cross multiply
    3,015,655.70x = 4,521,928.35 × 1,121,422.10
  4. Step 4: Simplify right side
    3,015,655.70x = 5,070,990,386,306.54
  5. Step 5: Solve for x
    x = 5,070,990,386,306.54/3,015,655.70
  6. Step 6: Final answer
    x = 1,681,554.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.